113 lines
3.6 KiB
C++
113 lines
3.6 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#include "util/date_func.h"
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#include <iomanip>
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#include "vec/runtime/vdatetime_value.h"
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namespace doris {
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uint64_t timestamp_from_datetime(const std::string& datetime_str) {
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tm time_tm;
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char* res = strptime(datetime_str.c_str(), "%Y-%m-%d %H:%M:%S", &time_tm);
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uint64_t value = 0;
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if (nullptr != res) {
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value = ((time_tm.tm_year + 1900) * 10000L + (time_tm.tm_mon + 1) * 100L +
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time_tm.tm_mday) *
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1000000L +
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time_tm.tm_hour * 10000L + time_tm.tm_min * 100L + time_tm.tm_sec;
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} else {
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// 1400 - 01 - 01
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value = 14000101000000;
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}
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return value;
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}
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uint32_t timestamp_from_date(const std::string& date_str) {
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tm time_tm;
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char* res = strptime(date_str.c_str(), "%Y-%m-%d", &time_tm);
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uint32_t value = 0;
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if (nullptr != res) {
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value = (uint32_t)((time_tm.tm_year + 1900) * 16 * 32 + (time_tm.tm_mon + 1) * 32 +
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time_tm.tm_mday);
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} else {
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// 1400 - 01 - 01
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value = 716833;
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}
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return value;
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}
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uint32_t timestamp_from_date_v2(const std::string& date_str) {
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tm time_tm;
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char* res = strptime(date_str.c_str(), "%Y-%m-%d", &time_tm);
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uint32_t value = 0;
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if (nullptr != res) {
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value = ((time_tm.tm_year + 1900) << 9) | ((time_tm.tm_mon + 1) << 5) | time_tm.tm_mday;
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} else {
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value = doris::vectorized::MIN_DATE_V2;
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}
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return value;
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}
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uint64_t timestamp_from_datetime_v2(const std::string& date_str) {
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doris::vectorized::DateV2Value<doris::vectorized::DateTimeV2ValueType> val;
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std::string date_format = "%Y-%m-%d %H:%i:%s.%f";
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val.from_date_format_str(date_format.data(), date_format.size(), date_str.data(),
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date_str.size());
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return val.to_date_int_val();
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}
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// refer to https://dev.mysql.com/doc/refman/5.7/en/time.html
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// the time value between '-838:59:59' and '838:59:59'
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int32_t time_to_buffer_from_double(double time, char* buffer) {
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char* begin = buffer;
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if (time < 0) {
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time = -time;
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*buffer++ = '-';
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}
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if (time > 3020399) {
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time = 3020399;
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}
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int64_t hour = (int64_t)(time / 3600);
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if (hour >= 100) {
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auto f = fmt::format_int(hour);
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memcpy(buffer, f.data(), f.size());
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buffer = buffer + f.size();
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} else {
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*buffer++ = (char)('0' + (hour / 10));
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*buffer++ = (char)('0' + (hour % 10));
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}
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*buffer++ = ':';
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int32_t minute = ((int32_t)(time / 60)) % 60;
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*buffer++ = (char)('0' + (minute / 10));
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*buffer++ = (char)('0' + (minute % 10));
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*buffer++ = ':';
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int32_t second = ((int32_t)time) % 60;
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*buffer++ = (char)('0' + (second / 10));
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*buffer++ = (char)('0' + (second % 10));
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return buffer - begin;
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}
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} // namespace doris
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